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Master Thesis

Facteurs pouvant influencer la vitesse de dilatation des primipares en travail en salle de naissance

Abstract : Objective: The purpose of the study was to determine the average speed of dilation of primipares between 4 and 10 cms and to identify parameters susceptible to influence this first stage of labor. Methods: A retrospective unicentrique study was led to the Saint Joseph Hospital in Marseille between December, 2017 and July, 2018. It included 90 primipares, after spontaneous onset of labour, with a term singleton vertex fetus of normal birth weight. The speed of the cervix dilatation was compared according two groups of maternal age (< 30 years VS ≥ 30 years), haemoglobin (< 11 g/dl VS. ≥ 11 g/dl), profession (with VS. without), tobacco consumption (with VS. without tabacco), posture during the labor (horizontal VS. vertical), starting presentation’s variety (anterior VS. posterior), delivery modalitie (vaginal delivery VS. assisted delivery), birth weith of the newborn (< 3200 g VS. ≥ 3200 g). Repeated-measures analysis with polynomial modeling were used to construct labor curves. To evaluate the significance of the progression of labor by groups, GEE analysis was used with a significance level defined by a p < 0.05. Result: The speed of dilatation was not influenced by maternal age (p = 0.484), BMI (p = 0.733 and p = 0.775), profession (p = 0.205), anemia (p = 0.504), tobacco (p = 0.748), posture during labor (p = 0.210), and the starting variety of presentation (p = 0.369). delivery modalitie (p = 0.314), by birth weight (p = 0.248). Conclusion: Some tendency emerged from the analysis of curves concerning BMI, smoking, posterior variety, assisted delivery, and weight of newborns ≥ 3200 g that may change the speed of cervix dilation in the first stage. But the study should be carried out on a larger scale to confirm the result.
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Submitted on : Friday, November 22, 2019 - 2:51:34 PM
Last modification on : Monday, July 6, 2020 - 4:04:38 PM


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  • HAL Id : dumas-02376273, version 1


Olivia Delpech. Facteurs pouvant influencer la vitesse de dilatation des primipares en travail en salle de naissance. Gynécologie et obstétrique. 2019. ⟨dumas-02376273⟩



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